Shingle stripper



March 25, 1930. sTlNGER 1,751,562

SHINGLE STRIPPER Filed Oct. 22, 1925 INVENTOR JAN/1. 577N651? PatentedMar. 25, 1930 UNITED STATES PATENT OFFICE DANIEL STINGER, OFZE'HIIIZIADELJPHIA, YENNSYLVANIA, ASSIGNOR TO THE BARRETT COMPANY, A.CORPORATION OF NEW JERSEY SHINGLE STRIPPER Application filed October 22,1925. Serial No. 64,081. I

This invention relates to shingle strippers and more particularly to anew and useful type which is secured to the cutting roll.

A common method of cutting roofing elements is bypassing the preparedstrip of roofing-between two rolls, one of which is a cutting roll (asshown in the accompanying drawing). As the cutting roll rotates and theknife severs the roofing element the roofing material tends to adhere tothe knife or cutting roll because of the sticky nature of/the materialused for impregnating the roofing felt and because of the fact that theshingle becomes jammed between adjacent knives.

Various forms of strippers have been devised for ejecting or forcing theroofing element away from the knife so as not to follow the roll, butall of those of which the applicant is aware are too complicated to bepracticable, become gummed up and inoperative andhave to be cleaned ordiscarded.

It is, therefore, among the objects of my invent-ion to provide ashingle stripperwhich is simple and efficient in operation, automatic,durable and which does not require any attention from the operator ofthe machine.

The nature of this invention will be more clearly understood from thefollowing descript ion and accompanying drawings made a part hereof.

In the drawings in which like reference characters refer to like parts,

Fig. 1 is a section of a cutting and platten roll of a shingle cuttingmachine showing the application of my invention thereto,

Fig. 2 is a planview ofthe cutting roll showing the shingle stripperunder compression, w

Fig; 3 is a view similar to Fig. 1 and shows the stripper in a positionwhere it has regained its normal position.

The rolls (1) and (2) operate synchrocutting roll (1) is suitablylocated the knife (4) which is held in place by the wedge block theknives, an to the cutting roll or knives when this inven- (5), the knifebeing reinforced by the back stop (6). The stripper (7) which issubstantial] arcuate in form and preferably of substantially thesamewidth as the knife (4) is construeted of such resilient material asspring steel and is secured to the peripheral surface of the roll (1) inthe rear of the knife (4).

by means of screws (8) which are threaded into the roll. The forwardportion (9) of the stripper bears upon the back stop (6) or in theabsence of such back stop bears directly upon roll (1) and is so shapedthat in its natural unflexed position the uppermost portion (11)protrudes beyond a circle (which has the center of the roll as itscenter) drawn thru the edge of the knife (4).

As the rolls rotate in' the direction indicated and as the knife (4)passes a line drawn from center to center of the rolls, the strip ofroofing material (3) is severed in coned a very useful, durable andefficient means for facilitatin the cutting of shingles by the automatican dpositive removal thereof from that shingles will not adhere tion isused. I

What I claim as my invention and desire to be secured by Letters Patentof the Unite States is: j

1. In combination a roll, a knife p otrud of said roll and a resilientstrip-like member secured to the roll at that end of the strip which isthe more remote from the knife, and having an intermediate portion whichis noring substantially radially from-the surface mally at a greaterradial distance from the surface of the roll than is the knife edge. 2.In combination a roll, a knife protruding substantially radially fromthe periph- 5 eral surface of said roll and a resilient substantiallyarcuate strip-like member secured at one end to the roll and. havin itsother end contacting with the roll and aving an intermediate arcuateportion which is normally at a greater radial distance from the surfaceof the roll than is the knife edge.

3. In combination, a roll, a knife protruding substantially radiallyfrom the surface of said roll and a resilient strip of flat ma- 7 terialsubstantially arcuate in form having one end portion bent inwardly,adapted to contact at said end with the peripheral surface of thecutting roll, and having the otherv end secured to the said cuttingroll.

4. In combination a roll, a knife protruding substantially radially fromthe peripheral surface of vsaid roll and a resilient substantiallyarcuat'e strip-like member secured to said roll upon the peripheral facethereof by fastening means located adjacent that edge of the strip whichis the more remote from the knife and having its other edge slidablycontacting with the peripheral face of said roll at a point adjacent theknife, the

intermediate arcuate portion of the strip being normally at a greaterradial distance from the peripheral face of the roll than is the knifeedge.

Invtestimony whereof I affix my signature.

DANIEL STINGER.

